Book Signings, Inc. (BSI) schedules book signings for sciencefiction authors and creates e-books and books on CD to sell at eachsigning. BSI uses a normal costing system with two direct costs -materials and labor, and one indirect cost - general overhead.General overhead is allocated to each signing based on 80% of laborcost. Actual overhead equaled allocated overhead in March. Actualoverhead in April was $1,980. All costs incurred during theplanning stage for a signing and during the signing are gathered ina balance sheet account called "Signings in Progress" (SIP). When asigning is completed, the costs are transferred to an incomestatement account called "Cost of Completed Signings" (CCS).Following is cost information for April: